DTCC said it will use Chainlink infrastructure in its Collateral AppChain, and DTCC subsidiaries processed $4.7 quadrillion in securities transactions in 2025. The Besu-based platform is designed to support 24/7, near real-time pricing, margining and settlement for tokenized collateral across traditional markets and blockchain networks. The integration extends Smart NAV, a 2024 pilot that also included JPMorgan, Franklin Templeton and BNY Mellon.